109666880

素因数分解:

$2^6\times 5^1\times {\mathrm{389}}^1\times {\mathrm{881}}^1$

素因数の和:1287

約数の個数: 56

約数和(自身を含む): 262112760

約数和(自身を除く): 152445880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 389, 778, 881, 1556, 1762, 1945, 3112, 3524, 3890, 4405, 6224, 7048, 7780, 8810, 12448, 14096, 15560, 17620, 24896, 28192, 31120, 35240, 56384, 62240, 70480, 124480, 140960, 281920, 342709, 685418, 1370836, 1713545, 2741672, 3427090, 5483344, 6854180, 10966688, 13708360, 21933376, 27416720, 54833440, 109666880]

約数ペア:

[(1, 109666880), (2, 54833440), (4, 27416720), (5, 21933376), (8, 13708360), (10, 10966688), (16, 6854180), (20, 5483344), (32, 3427090), (40, 2741672), (64, 1713545), (80, 1370836), (160, 685418), (320, 342709), (389, 281920), (778, 140960), (881, 124480), (1556, 70480), (1762, 62240), (1945, 56384), (3112, 35240), (3524, 31120), (3890, 28192), (4405, 24896), (6224, 17620), (7048, 15560), (7780, 14096), (8810, 12448)]